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  • 简介:摘要:近年来,我国新能源发电技术已经取得巨大进步,在发电领域发挥着越来越重要的作用。项目建成后能否实现经济效益、社会效益与环境效益都是至关重要的问题。因此对项目投产运营后进行全面评价具有重要意义。本文在研究我国新能源伏项目后评价现状的基础上,总结出目前该领域中存在问题并提出了相关解决对策。

  • 标签: 项目 新能源 研究 光伏 评价
  • 简介:摘要:随着我国经济高速发展,能耗大幅增加,能源和环境对可持续发展的约束越来越严重,发展可再生能源发电、特别是太阳能伏发电将成为减少环境污染的重要措施,同时也是保证我国能源供应安全和可持续发展的必然选择。

  • 标签: 光伏 电站 发电效率
  • 简介:摘要:本文对渔互补伏发电项目的特性进行了概述,针对工程施工质量控制,分析了施工要求、伏技术、资源条件以及环境影响等方面的因素,提出了加强原材料检验与采购、优化设备安装水平与电气连接效率等方法,以确保项目的施工质量和稳定运行,在此基础上对施工风险进行了全面评估,并提出了加强现场管理与安全保障、强化环境监测与响应等策略,旨在为降低渔互补伏发电项目施工风险和保障工程施工效率提供参考性意见。

  • 标签: 渔光互补光伏发电 工程施工 质量控制 风险管理
  • 简介:摘要:随着社会科技的不断进步,伏建筑一体化也在不断得到应用,而光伏建筑一体化又简称为BIPV,主要指通过太阳能发电产品集成一种新型的建筑技术,其中利用最多的就是建筑幕墙及其屋顶。基于此,本文就针对光伏建筑一体化的基本概念进行论述,同时分析伏建筑一体化中的应用价值与发展现状,并详细阐述框架式伏幕墙的结构,以期能够为推动我国建筑节能行业的可持续发展提供相关参考。

  • 标签: 光伏幕墙 光伏建筑一体化 应用 发展
  • 简介:DetailedexaminationofhistoricaldataofearthquakesandfieldinvestigationsofloesslandslidecausedbytheearthquakeandtracingofactivefaultsinLanzhouareaindicatethattheYijitanputown,oneofsixtownsofJinchengcity,wasdevastatedbythe1125Lanzhouearthquake.ThecitlyisnowlocatedintheVinylonFactorysouthofHekou(RiverMouth)intheXigudistictofLanzhoucity.WedelerminedthatthesixoldtownsmentionedinhistoricalrecordslieinanareastretchingfromthesouthofXigudistricttoHekouinLanzhou.Thisisconsistentwiththedistibutionofloesslandslidescausedbytheearthquake,theextensionofHoloceneactivefaults,andthedistributionoftracesoftheseismicrupturezone.Acomprehensiveanalysisshowsthattheseismogenicstructureforthe1125LanzhouM7.0earthquakeshouldbetheXianshuigoufaultsegmentatthewesternterminationofthenorth-borderactivefaultzoneoftheMaxianshanMountainswhicharelocatedinsouthofLanzhoucitywiththedistanceofonly4km.

  • 标签: 兰州市 历史地震 黄土崩坍 孕震构造
  • 简介:Relationshipbetweenfaultsandgenerationofinlandshallowearthquakes:enlighten-mentoftheM=7.2southernHyogoprefec-tureearthquakeTO...

  • 标签: FAULT
  • 简介:Amoredetailedanddeep-goinganalysisoftectonicconditionsforthe1989BohaiSeaM7.4earthquakeareahasbeenmadebasedonthedataofoilgeologicalexplorationandresultsofseismologicalresearches.TheobtainedresultfillsthegapinseismotectoulcresearchofLargeBohaiSeaearthquakeareaofNorthChina.TheearthquakeareaislocatedintheeasternpartofCenozoicriftedbasinoftheBohaiGulf,alongtheintersectionzonebetweentheNNE-trendingYingkou-WeifangfaultzoneandtheNW-trendingBeijing-Penglaifaultzone.IntheearlyTertiaryfault-depressionstage,threesetsoffaults,theNNE-,NW-,andW-E-trendingfaults,weredevelopedintheuppercrustinthearea.Theyarelistricandplanarintheform,ofnormalfaultcharacterandmostlythemajorfaultsinfaulteddepressions.Inthefault-depressionstagesincelateTertiary,thepreexistingfaultshaveundergonemovementtodifferentextent.Meanwhile,anewNE-trendingHuanghekou(YellowRiverMouth)-Miaoxibeifaultzonewasdeveloped.ThefocalfaultingoftheM7.4earthquake,strikingtoN45°EanddippingtoSE,isnearlyvertical,withdextralstrike-slipnature,andburieddowntodepthof15~34km.TheseismogenicfaultforthelargeearthquakeisnottheYingweifault,butthenewlygeneratedHuanghekou-Miaoxibeifault.

  • 标签: Bohai GULF basin Bohai Sea Ms7.4
  • 简介:At19:33p.monSeptember27,2003,anearthquakewithM7.9occurredintheRussiaMongolia-ChinaboundaryRegion.ItwasstronglyfeltintheAltayregionofXinjiang.Thelossescausedbytheearthquakewas76millionyuan(RMB).Someinformationabouttheearthquakewasoutlined,includingbasicparameters,focalmechanism,evaluationofearthquakedisasterlossesandsoon.Thesatelliteremotesensinginformationworkedinitialanalysisfordeformationofgroundandfailurephenomenon.

  • 标签: 俄罗斯-蒙古-中国 边界地区 地震强度 震源机制 遥感观测 构造环境
  • 简介:TostudytheTaiwanStrait(TS),anunusualseaarea,thenumericalmodelinmarginalseasofChinaisusedtosimulateandanalyzethetidalwavemotioninthestrait.ThenumericalmodelingexperimentsreproducetheamphidromicsystemoftheM2tideinthesouthendoftheTaiwanstrait,andconsequentlyconfirmtheexistenceofthedegenerateamphidromicsystem.Onthisbasis,furtherdiscussionisconductedontheM2systemanditsformationmechanism.ItcanbeconcludedthatthetidalwavesoftheTSisconsistedoftheprogressingwavefromthenorthentranceandthedegenerateamphidromicsystemfromthesouthentrance,inwhichtheprogressingwavefromthenorthentrancedominatesthetidalwavemotioninthestrait.Exceptfortheconvergenteffectcausedbythelandformandboundary,thedegenerateamphidromicsystemproducedinthesouthofthestraitisanotherimportantfactorforthefollowingphenomena:thelargetidalrangeinthemiddleofthestrait,theconcentrativezoneofco-amplitudeandco-phaselineinthesouthofthestrait.ThedegenerateamphidromicsystemismainlyproducedbytheincidentPacificOceantidalwavefromtheLuzonstraitandtheactionbytheshorelineandlandform.Thepositionoftheamphidromicpointiscompelledtomovetowardsouthwestuntildegeneratingbythepowerfulprogressingwavefromthenorthentrance.

  • 标签: 台湾海峡 中国 台湾省 潮汐系统 海洋工程
  • 简介:摘要: 铁路施工中,跨江桥梁施工长期以来一直是桥梁施工中的重点,采用节段箱梁拼装技术,利用移动支架安装一次到位,不存在更换设备等机械的投入,移动支架拆除后可周转便用,提高了利用率。采用该工法集中加工梁部每一节段,流水性进行作业,预制与架设同步进行,提高了作业效率,加快了施工进度,缩短了施工工期,减少了管理费用和机械租赁等费用,经济效益显著。

  • 标签: 节段箱梁 移动支架拼装
  • 简介:Usingthe78focalmechanismsolutionsoftheforeshocks,mainshockandaftershocksoftheearthquakesequencefortheYao'anearthquake,thecharacteristicsofthefocalfaultsandstressfieldfortheearthquakesequenceareanalyzed.TheresultsshowthatthemainruptureplaneoftheYao'anearthquakesequenceisatectonicfaultwithN50°Wstrikeandsteepdipandallthemainshock,theforeshocksandthevastmajorityofaftershocksoccurredonthemainruptureplane.AtectonicfracturewithNNE-NEstrikealsoparticipatedindevelopmentprocessofthesequencedominatedbyprincipalcompressionalstresswithnearlyhorizontalorientationSSEisconsistentwiththeregionaltectonicstressfield.Inthesequencedevelopment,thestressfieldinthefocalregionwascomplexwithmultiaximuthsandmulti-actionmodelsandthefocalruptureshowedcomplexfeatureswithmulti-directionsandmulti-patterns.

  • 标签: 震源 断层 应力场 姚安地震 2001年 1月
  • 简介:AnearthquakewithM7.1occurredinYushu,QinghaiProvince,China,at07:49a.m.onApril14,2010,accordingtotheChineseSeismicStationNetwork.Thesequenceisafore-mainafter-shocktypesequence.AforeshockwithM4.7occurred2hoursand11minutesbeforethemainshock.Therewere12foreshocksand2385aftershocksuntilJune31,2010.Inwhich,thereare21aftershocksbetweenM3.0andM3.

  • 标签: 地震序列 玉树 余震型序列 7级地震 地震台网 青海省
  • 简介:TheextensivedamagetobuildingscausedbytheNepalM_s8.1earthquakehasattractedmuchattentionbytheinternationalcommunity.AfterthepreliminaryscientificinvestigationsonthedifferentaffectedareasinNepal,theconstructionanddamagecharacteristicsoffivedifferenttypesofbuildingscommonlyexistinginNepalwerediscussedandthereasonsoftheirdisasterperformancewereanalyzed.Typesofbuildingsinvestigatedincludereinforcedconcrete(RC)framestructures,rubblestructures,brick-woodstructures,rawsoilstructures,andbrick-woodstructuresofhistoricbuildings.Inaddition,theweaklinksoftheseismicdesignwerepointedout,whichwasveryimportantforthepost-earthquakereconstructionandrecovery,andgaveapreliminaryexplanationsforthedamageexperienced.

  • 标签: Nepal EARTHQUAKE SEISMIC DAMAGE of BUILDING
  • 简介:Thepost-earthquakerapidaccurateassessmentofmacroinfluenceofseismicgroundmotionisofsignificanceforearthquakeemergencyrelief,post-earthquakereconstructionandscientificresearch.TheseismicintensitydistributionmapreleasedbytheLushanearthquakefieldteamoftheChinaEarthquakeAdministration(CEA)fivedaysafterthestrongearthquake(M7.0)occurredinLushanCountyofSichuanYa’anCityat8:02onApril20,2013providesascientificbasisforemergencyrelief,economiclossassessmentandpost-earthquakereconstruction.Inthispaper,themeansforblindestimationofmacroscopicintensity,fieldestimationofmacrointensity,andreviewofintensity,aswellascorrespondingproblemsarediscussedindetail,andtheintensitydistributioncharacteristicsoftheLushan'4.20'M7.0earthquakeanditsinfluentialfactorsareanalyzed,providingareferenceforfutureseismicintensityassessments.

  • 标签: Lushan EARTHQUAKE INTENSITY ASSESSMENT damage index
  • 简介:枚举的算法被介绍了进ASR模型的恰当的过程。与M6基于21大地震的详细学习。8在中国大陆,在大地震前的地震紧张版本的统计特征被总结了。在团中,紧张版本模型能被划分成五种类型。第一是DA模型,紧张版本在更宽广的区域在加速并且在震中附近在小区域速度。约38%地震样品具有这种类型。第二是AD模型,紧张版本在更宽广的区域在速度并且与占据ratioof在震中附近在更小的区域加速约19%。第三是ASR,仅仅加速的紧张版本能在被观察。这个模型的盒子等于大约14%。第四是数据设置就绪,仅仅速度的紧张版本能在被检查,等于大约24%。仅仅有第五种类型(LSR)的一件地震样品,它显示出一个线性紧张版本。在持续时间有36年差别预先震惊在加速并且速度的模型之间的序列。在大地震一般来说是一个典型特征以前,这对小地震的增加的seismicity的一个背景意味着那地震静止。为DA模型,分别地,为稳定的加速并且速度的紧张版本的批评区域的平均尺寸关于到400km和100km的260km到200km3~5次,1~2预定大小7的地震的破裂尺寸。0。广告模型是DA模型的反面。模型参数,m价值,好稳定性。ASR的比率关于为加速地震紧张版本现象的一样,不管紧张版本模型是什么,或紧张版本数量怎么大。关于速度地震紧张版本现象,DA模型有最特殊的速度紧张版本特征并且是地震紧张版本的典型特征,我。e。“速度在里面加速外面地震紧张模型”。

  • 标签: 加速的紧张版本 速度的紧张版本 批评区域的尺寸 持续时间预先震惊顺序